CN218719156U

CN218719156U - Two-position three-way electromagnetic valve of waterway mechanism of coffee machine

Info

Publication number: CN218719156U
Application number: CN202222701258.7U
Authority: CN
Inventors: 闻继望; 唐健军; 姚纪林
Original assignee: Zhejiang Biyi Electric Appliance Co Ltd
Current assignee: Zhejiang Biyi Electric Appliance Co Ltd
Priority date: 2022-10-12
Filing date: 2022-10-12
Publication date: 2023-03-24
Anticipated expiration: 2032-10-12

Abstract

The utility model relates to a two-position three-way solenoid valve of a waterway mechanism of a coffee machine, which is designed aiming at solving the technical problem that the small-space wiring connection pipe of the existing like products in household electrical products is inconvenient. The two-position three-way electromagnetic valve is characterized in that a movable iron core of the two-position three-way electromagnetic valve comprises an upper movable iron core and a lower movable iron core, an upper through hole at one end of the upper movable iron core is aligned with a lower through hole at one end of the lower movable iron core, and an outer hexagon nut extends out of the other end of the upper movable iron core; the central sleeve extending out of the valve body is in threaded connection with the water outlet sleeve, a tower-shaped spring is arranged between the limiting nut and the lower movable iron core, a cylindrical spring is arranged in the lower movable iron core between the lower plug and the upper plug, and the upper plug is sleeved in a top hole in the lower through hole in the lower movable iron core; the lower plug at the bottom of the lower through hole in the lower moving iron core is sleeved in the main through hole in the water outlet sleeve, two sub through holes on one side of the water outlet sleeve are respectively communicated with the main through hole in the water outlet sleeve, an outer channel on one side of the outer diameter of the lower moving iron core is communicated with one sub through hole, and the lower through hole of the lower moving iron core is communicated with the other sub through hole.

Description

Two-position three-way electromagnetic valve of waterway mechanism of coffee machine

Technical Field

The utility model relates to a solenoid valve of a coffee machine, in particular to a two-position three-way solenoid valve of a waterway mechanism of the coffee machine.

Background

The electromagnetic valve is an industrial device controlled by electromagnetism, is an automatic basic element for controlling fluid, belongs to an actuator, is not limited to hydraulic pressure and pneumatics, and is used for adjusting the direction, the flow rate, the speed and other parameters of a medium in an industrial control system. The electromagnetic valves sold in the market at present are many, and generally divided into six branch subclasses, namely a direct-acting diaphragm structure, a step-by-step heavy piece structure, a pilot diaphragm structure, a direct-acting piston structure, a step-by-step direct-acting piston structure and a pilot piston structure, from the difference of the structure and the material of the valve body and the difference of the principle, and generally comprise the valve body, a coil, a sealing ring, an iron core sleeve and a valve rod (a movable iron core). The prior two-position three-way electromagnetic valve has the name of a pilot-operated two-position three-way electromagnetic valve, such as application numbers 201210251148.3 published in Chinese patent documents, application publication number 2012.12.05; for example, the application number 200810010907.0 published in the chinese patent literature, published as the direct-acting two-position three-way electromagnetic valve in 2009, 10/7/h, is difficult to be used in the assembly and production of a water path mechanism of a coffee machine, and particularly, the two-position three-way electromagnetic valve is inconvenient in the position adjustment of a water inlet and a water outlet and in the wiring, i.e., a small space wiring connection pipe in a household appliance is inconvenient, and a spare hole design is lacked.

Disclosure of Invention

For overcoming the not enough of the above-mentioned existence, the utility model discloses the purpose is to the two-position three way solenoid valve of a coffee machine waterway mechanism that this field provided, makes it can solve current like product structural design not good enough and leads to the production assembly comparatively inconvenient, and the small space wiring in especially the household electrical appliances is taken over comparatively inconveniently, lacks the technical problem of spare hole design. The purpose of the utility model is realized by the following technical scheme.

A two-position three-way electromagnetic valve of a waterway mechanism of a coffee machine is characterized in that one side of a valve body of the two-position three-way electromagnetic valve is provided with a wiring terminal led out from an electromagnetic coil in the valve body, a central sleeve is arranged in an iron core sleeve sealed at the center of the electromagnetic coil in the valve body, a movable iron core is arranged in the central sleeve, and the movable iron core moves up and down under the action of a magnetic field when the electromagnetic coil in the valve body is switched on and off; the water inlet sleeve is characterized in that the movable iron core comprises an upper movable iron core and a lower movable iron core, an upper through hole at one end of the upper movable iron core is aligned with a lower through hole at one end of the lower movable iron core, the other end of the upper movable iron core extends out of one end of the valve body, an outer hexagon nut is arranged at a threaded position, one end of the end, which is inserted into the water inlet sleeve, is fixed and connected into a whole, and a first sealing ring is arranged at the outer diameter of the upper iron core in the water inlet sleeve at the connection position; one end of the central sleeve extends out of the other end of the valve body and is provided with a limiting nut, the central sleeve extending out of the valve body is connected with an internal thread of the water outlet sleeve through an external thread, a large-density ring is arranged at the joint, a tower-shaped spring is arranged between the limiting nut of the lower movable iron core external diameter central sleeve in the water outlet sleeve and the external diameter of one end of the water outlet sleeve of the lower movable iron core, an upper plug and a lower plug are respectively arranged at two ends of a lower through hole in the lower movable iron core, the tops of the upper plug and the lower plug are respectively provided with a small raised column, a cylindrical spring is arranged in the lower movable iron core between the lower plug and the upper plug, the upper plug is sleeved in a top hole of the lower through hole in the lower movable iron core, a main through hole in the water outlet sleeve is sleeved in the lower plug at the bottom of the lower through hole in the lower movable iron core, two sub through holes on one side of the water outlet sleeve are respectively communicated with the main through hole in the water outlet sleeve, an outer channel on one side of the outer diameter of the lower movable iron core is communicated with one of the lower through hole, and a waterproof sealing ring is respectively arranged between the inner diameter of the central sleeve and the outer diameter of the upper movable iron core. The two-position three-way electromagnetic valve is controlled by power-off and power-on, and the position of the lower moving iron core is controlled by the current quantity of power-on to adjust the positions of the upper plug and the lower plug, so that liquid flows out from one sub-through hole of the water outlet sleeve or is closed at the same time, namely the lower plug is closed when blocking the main through hole of the water outlet sleeve, the upper plug blocks the lower through hole of the lower moving iron core, and the outer channel opens the other sub-through hole of the water outlet sleeve when the lower plug opens the main through hole of the water outlet sleeve; and when the upper plug opens the lower through hole in the lower moving iron core and the lower plug opens the main through hole of the water jacket, the outer channel opens the other sub through hole of the water jacket.

One end of the water outlet sleeve of the lower movable iron core is provided with an annular groove, the diameter above the annular groove is larger than that of the annular groove, two sides of the large-diameter cylindrical peripheral surface above the annular groove are symmetrically provided with side guide grooves, the side guide grooves of the lower movable iron core are communicated with the annular groove to form an outer through hole on one side of the lower movable iron core, and a branch through hole of the water outlet sleeve below the outer through hole on one side is communicated with a main through hole in the water outlet sleeve and a corresponding water outlet hole. The structure stabilizes the backwater of the lower moving iron core in the center sleeve, namely, the stability of the two-position three-way electromagnetic valve in the backwater of the lower moving iron core in the center sleeve in a closed state is improved.

The water inlet hole of the water inlet sleeve and the water outlet hole of the water outlet sleeve respectively extend in an L shape, and mounting holes are respectively formed in the water inlet hole of the water inlet sleeve and the water outlet hole of the water outlet sleeve. The structure is convenient for the installation and fixation of the water inlet sleeve and the water outlet sleeve, and the water inlet angle and the water outlet angle of the water inlet sleeve and the water outlet sleeve are positioned on the same side.

The water inlet sleeve is fixed and connected with one end of the upper moving iron core through a first special-shaped bayonet lock into a whole, an outward convex clamping opening is symmetrically formed in one end opening and the middle of a clamping spring of the first special-shaped bayonet lock, one end of the opening of the first special-shaped bayonet lock is inserted into and penetrates through a clamping pin hole of the water inlet sleeve, and the clamping opening in the middle of the first special-shaped bayonet lock is fixed in a clamping groove of the upper moving iron core. The structure is convenient for the water inlet sleeve to further adjust the water outlet angle through the first special-shaped bayonet lock and fixedly connect the water inlet sleeve with the upper movable iron core.

And a spare hole is arranged on the other side of the main through hole in the water outlet sleeve, the spare hole is communicated with the main through hole in the water outlet sleeve and the other branch through hole, and a spare plug is fixedly arranged in the hole at the spare hole of the water outlet sleeve. Thereby facilitating the use of the spare hole of the water outlet sleeve as required.

The spare plug is fixedly arranged in a hole at the spare hole of the water outlet sleeve through a second special-shaped bayonet lock, one end of a clamp spring of the second special-shaped bayonet lock is opened, outwards-protruding clamping openings are symmetrically formed in the middle of the clamp spring of the second special-shaped bayonet lock, one end of the opening of the second special-shaped bayonet lock is inserted into and penetrates through the clamping hole of the water outlet sleeve, and the clamping opening in the middle of the second special-shaped bayonet lock is fixed in a clamping groove of the spare plug. Thereby facilitating the assembly and disassembly of the spare plug at the spare hole of the water outlet sleeve.

The utility model has reasonable structural design, convenient production and assembly, particularly convenient connection of the connecting pipe, low production cost, good sealing performance and stability; the two-position three-way electromagnetic valve is suitable for being used as a two-position three-way electromagnetic valve of a waterway mechanism in small household appliances such as coffee machines and the like, and the structure improvement of the like products.

Drawings

Fig. 1 is a schematic diagram of an explosion structure according to an embodiment of the present invention.

Fig. 2 is a schematic perspective view of fig. 1.

Fig. 3 is a schematic view of the internal structure of fig. 2.

Fig. 4 is a side view of the internal structure of fig. 3.

FIG. 5 is a schematic view of the inner structure of the water outlet cover of FIG. 4, in which the second special-shaped bayonet lock is omitted.

The figures and names above: 1. the valve body, 101, a wiring terminal, 2, an outer hexagon nut, 3, an upper movable iron core, 4, a first sealing ring, 5, a water inlet sleeve, 6, a first special-shaped bayonet lock, 7, a sealing gasket, 8, a central sleeve, 801, a limiting nut, 9, a lower movable iron core, 901, an annular groove, 902, a side guide groove, 10, a tower-shaped spring, 11, an upper plug, 12, a cylindrical spring, 13, a large sealing ring, 14, a lower plug, 15, a second special-shaped bayonet lock, 16, a water outlet sleeve, 17, a standby plug, 18, a second sealing ring, 19 and a sealing gasket.

Detailed Description

The structure and use of the invention will be further described with reference to the accompanying drawings. As shown in fig. 1-5, one side of the valve body 1 of the two-position three-way electromagnetic valve is provided with a connecting terminal 101 led out from the electromagnetic coil in the valve body, a central sleeve 8 is arranged in an iron core sleeve sealed at the center of the electromagnetic coil in the valve body, a movable iron core is arranged in the central sleeve, and the movable iron core moves up and down under the action of a magnetic field when the electromagnetic coil in the valve body is in a power-on state. The concrete structure is as follows: the movable iron core comprises an upper movable iron core 3 and a lower movable iron core 9, an upper through hole at one end of the upper movable iron core is aligned with a lower through hole at one end of the lower movable iron core, the other end of the upper movable iron core extends out of one end of the valve body, an outer hexagon nut 2 is arranged at a thread position, the end is inserted into one end of a water inlet sleeve 5 and is fixed and connected into a whole, a first sealing ring 4 is arranged on the outer diameter of the upper iron core in the water inlet sleeve at the connection position, and a sealing gasket 7 is arranged on the outer diameter of the other end of the water inlet sleeve; one end of the central sleeve extends out of the other end of the valve body and is provided with a limit nut 801, a joint is provided with a sealing washer 19, the central sleeve extending out of the valve body is connected with an internal thread of the water outlet sleeve 16 through an external thread, a large-density ring 13 is arranged at the joint, a tower-shaped spring 10 is arranged between the limit nut of the lower movable iron core external diameter central sleeve in the water outlet sleeve and the external diameter of one end of the water outlet sleeve of the lower movable iron core at the joint, an upper plug 11 and a lower plug 14 are respectively arranged at two ends of a lower through hole in the lower movable iron core, the tops of the upper plug and the lower plug are respectively provided with a small raised column, a column-shaped spring 12 is arranged in the lower movable iron core between the lower plug and the upper plug, the upper plug is sleeved in a top hole of the lower through hole in the lower movable iron core, the lower plug at the bottom of the lower through hole in the lower movable iron core is sleeved in a main through hole in the water outlet sleeve, two sub through holes on one side of the water outlet sleeve are respectively communicated with the main through hole in the water outlet sleeve, an outer channel on one side of the lower movable iron core is communicated with one of the lower through hole, two second sealing washers 18 are respectively arranged in the outer diameter hole of the water outlet sleeve, and a waterproof iron core between the upper movable iron core.

One end of the water outlet sleeve of the lower movable iron core is provided with an annular groove 901, the diameter above the annular groove is larger than that of the annular groove, two sides of the large-diameter cylindrical peripheral surface above the annular groove are symmetrically provided with side guide grooves 902, the side guide grooves of the lower movable iron core are communicated with the annular groove to form an outer through hole at one side of the lower movable iron core, and a branch through hole below the outer through hole at one side of the lower movable iron core is communicated with a main through hole in the water outlet sleeve and a corresponding water outlet hole. The water inlet hole of the water inlet sleeve and the water outlet hole of the water outlet sleeve respectively extend in an L shape, and mounting holes are respectively arranged at the water inlet hole of the water inlet sleeve and the water outlet hole. The cover of intaking is fixed through first dysmorphism bayonet lock 6 and the one end of inserting the upper movable core and is connected as an organic whole, and the jump ring one end opening and the centre symmetry of first dysmorphism bayonet lock are equipped with outside bellied clamp mouth, and the opening one end of first dysmorphism bayonet lock is inserted and is passed the card pinhole of the cover of intaking, and the clamp mouth in the middle of the first dysmorphism bayonet lock is fixed in the double-layered groove of upper movable core. A spare hole is arranged on the other side of the main through hole in the water outlet sleeve, the spare hole is communicated with the main through hole and a branch through hole in the water outlet sleeve, and a spare plug 17 is fixedly arranged in a hole at the spare hole of the water outlet sleeve; the spare plug is fixedly arranged in a hole at the spare hole of the water outlet sleeve through a second special-shaped bayonet lock 15, one end of a clamp spring of the second special-shaped bayonet lock is opened, outwards-protruding clamping openings are symmetrically formed in the middle of the clamp spring of the second special-shaped bayonet lock, one end of the opening of the second special-shaped bayonet lock is inserted into and penetrates through the clamping hole of the water outlet sleeve, and the clamping opening in the middle of the second special-shaped bayonet lock is fixed in a clamping groove of the spare plug.

During assembly, the two-position three-way electromagnetic valve is fixed in the coffee machine through the mounting holes of the water inlet sleeve and the water outlet sleeve, is connected with the water inlet hole of the water inlet sleeve, the water outlet sleeve and the water outlet hole through the hoses, and is used for adjusting the mounting angles of the water inlet sleeve and the water outlet sleeve as required, namely the angle of the connecting pipe, and the wiring terminal of the valve body is connected with a circuit board in the coffee machine. After the assembly is finished, liquid enters through the water inlet sleeve and is controlled by the power-off and power-on of the two-position three-way electromagnetic valve, and the current of the power-on enables the liquid to flow out from one of the branch through holes of the water outlet sleeve or to be closed at the same time.

Claims

1. A two-position three-way electromagnetic valve of a waterway mechanism of a coffee machine is characterized in that one side of a valve body (1) of the two-position three-way electromagnetic valve is provided with a wiring terminal (101) led out from an electromagnetic coil in the valve body, a center sleeve (8) is arranged in an iron core sleeve sealed by the center of the electromagnetic coil in the valve body, a movable iron core is arranged in the center sleeve, and the movable iron core moves up and down under the action of a magnetic field under the power-on state of the electromagnetic coil in the valve body; the water inlet valve is characterized in that the movable iron core comprises an upper movable iron core (3) and a lower movable iron core (9), an upper through hole at one end of the upper movable iron core is aligned with a lower through hole at one end of the lower movable iron core, the other end of the upper movable iron core extends out of one end of the valve body (1), an outer hexagon nut (2) is arranged at a thread, one end of the end, which is inserted into a water inlet sleeve (5), is fixed and connected into a whole, and a first sealing ring (4) is arranged at the outer diameter of the upper iron core in the water inlet sleeve at the connection part; one end of a central sleeve (8) extends out of the other end of the valve body and is provided with a limit nut (801), the central sleeve extending out of the valve body is connected with an internal thread of a water outlet sleeve (16) through an external thread, a large-density ring (13) is arranged at a joint, a tower-shaped spring (10) is arranged between the limit nut of a lower movable iron core external diameter central sleeve in the water outlet sleeve and one end external diameter of the lower movable iron core, an upper plug (11) and a lower plug (14) are respectively arranged at two ends of a lower through hole in the lower movable iron core, the tops of the upper plug and the lower plug are respectively provided with a small raised column, a column-shaped spring (12) is arranged in the lower movable iron core between the lower plug and the upper plug, a lower through hole in the lower movable iron core of the upper plug is sleeved with a total through hole in the water outlet sleeve, two sub through holes on one side of the water outlet sleeve are respectively communicated with the total through hole in the water outlet sleeve, an external channel on one side of the lower movable iron core is communicated with one of the sub through hole, a lower through hole of the lower movable iron core is communicated with the other sub through hole, and waterproof sealing rings are respectively arranged between the internal diameter of the central sleeve and the upper movable iron core and the outer diameter of the lower iron core.

2. The two-position three-way electromagnetic valve of the waterway mechanism of the coffee machine as recited in claim 1, wherein one end of the water outlet sleeve (16) of the lower movable iron core (9) is provided with an annular groove (901), the diameter above the annular groove is larger than that of the annular groove, two sides of the cylindrical periphery with large diameter above the annular groove are symmetrically provided with side guide grooves (902), the side guide grooves of the lower movable iron core are communicated with the annular groove to form an outer through hole at one side of the lower movable iron core, and a branch through hole of the water outlet sleeve below the outer through hole at one side is communicated with a main through hole in the water outlet sleeve and a corresponding water outlet hole.

3. The two-position three-way electromagnetic valve of the waterway mechanism of the coffee machine as recited in claim 1, wherein the water inlet hole of the water inlet sleeve (5) and the water outlet hole of the water outlet sleeve (16) respectively extend in an L-shape, and the water inlet hole of the water inlet sleeve and the water outlet hole are respectively provided with mounting holes.

4. The two-position three-way electromagnetic valve of the waterway mechanism of the coffee machine as recited in claim 1, wherein the water inlet sleeve (5) is fixed and connected with one end of the upper movable iron core (3) through a first special-shaped bayonet lock (6) into a whole, one end of a clamp spring of the first special-shaped bayonet lock is opened and is symmetrically provided with a clamp opening which protrudes outwards in the middle, one end of the opening of the first special-shaped bayonet lock is inserted into and penetrates through a pin hole of the water inlet sleeve, and the clamp opening in the middle of the first special-shaped bayonet lock is fixed in a clamp groove of the upper movable iron core.

5. The two-position three-way electromagnetic valve of the waterway mechanism of the coffee maker as claimed in claim 1, wherein a spare hole is arranged at the other side of the main through hole in the water outlet sleeve (16), the spare hole is communicated with the main through hole in the water outlet sleeve and another branch through hole in the water outlet sleeve, and a spare plug (17) is fixedly arranged in the hole at the spare hole of the water outlet sleeve.

6. The two-position three-way electromagnetic valve of the waterway mechanism of the coffee machine as recited in claim 5, wherein the spare plug (17) is fixedly arranged in the hole of the spare hole of the water outlet sleeve (16) through a second special-shaped bayonet lock (15), one end of a snap spring of the second special-shaped bayonet lock is opened and is symmetrically provided with a clamping opening which protrudes outwards in the middle, one end of the opening of the second special-shaped bayonet lock is inserted into and penetrates through the clamping pin hole of the water outlet sleeve, and the clamping opening in the middle of the second special-shaped bayonet lock is fixed in the clamping groove of the spare plug.